<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <!--
        action：配置资源映射路径
        method：配置http请求类型
    -->
<form action="/email_handle" method="post">
        <!-- name：作用. 给当前组件去一个别名. 方便后台获取组件的内容   -->
    <textarea name="content" cols="80" rows="20"></textarea>  <br />
    <input type="submit" value="邮件预测" />
</form>

</body>
</html>